Description


Flowise through 3.1.4 contains a sandbox escape vulnerability that allows authenticated users to execute OS commands by abusing allowlisted langchain and mammoth modules when ALLOW_BUILTIN_DEP=true. Attackers can submit JavaScript to /api/v1/node-custom-function that writes a file into the mammoth package via LocalFileStore and requires it, escaping vm2 as the Flowise process user.

Related CPE's


Could not find any relations

Weaknesses



CWE-749

CVSS impact metrics


CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

8.5 · High

Information


Source identifier

[email protected]

Vulnerability status

Deferred

Published

2026-10-30T18:17:27.577Z

1 hour ago

Last modified

2026-10-30T18:17:27.710Z

1 hour ago